CN215825862U - Thin-wall bottom shell injection mold capable of multi-directionally linking and laterally pulling core - Google Patents
Thin-wall bottom shell injection mold capable of multi-directionally linking and laterally pulling core Download PDFInfo
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- CN215825862U CN215825862U CN202122109368.XU CN202122109368U CN215825862U CN 215825862 U CN215825862 U CN 215825862U CN 202122109368 U CN202122109368 U CN 202122109368U CN 215825862 U CN215825862 U CN 215825862U
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- bottom shell
- wall bottom
- side core
- block
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims description 3
- 230000001360 synchronised Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 230000002035 prolonged Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a thin-wall bottom shell injection mold capable of performing multidirectional linkage and side core pulling, which comprises a front mold and a rear mold, wherein the front mold is arranged at the top of the rear mold, a product cavity for injection molding of the thin-wall bottom shell is formed between the bottom of the front mold and the top of the rear mold, a group of side core pulling mechanisms are respectively arranged on the rear molds on four side surfaces of the product cavity, each side core pulling mechanism comprises two cylinders, a push block, two traveling seats, two inclined guide columns and a traveling block, the traveling block is arranged at the side end of the product cavity, and the side end, far away from the product cavity, of the traveling block is connected with the push block. According to the utility model, the thin-wall bottom shell can be formed in the product cavity through injection molding, and the side core-pulling mechanisms are arranged on four side surfaces of the product cavity, so that after the thin-wall bottom shell is cured and formed, the side core-pulling mechanisms can realize four-surface synchronous demolding under the action of the pulling force of the air cylinder, and the thin-wall bottom shell with low structural strength is prevented from being deformed under the condition of uneven stress, thereby influencing the processing precision and quality of the thin-wall bottom shell.
Description
Technical Field
The utility model relates to the field of thin-wall injection molds, in particular to a thin-wall bottom shell injection mold capable of multi-directionally linking and laterally pulling cores.
Background
The injection mold is also called injection molding, and is a molding device for injection and molding. The injection mold has the advantages of high production speed, high efficiency, automation of operation, various colors and varieties, various shapes from simple to complex, small sizes, accurate product size, easy product updating and updating, capability of forming workpieces with complex shapes, and suitability for the field of forming and processing of mass production and products with complex shapes.
In the prior art, an injection mold for producing thin-wall bottom shell injection molding parts generally needs to be matched with a core pulling mechanism to push out a thin-wall bottom shell product, the structure of the injection mold is complex, and due to the fact that the structural strength of the thin-wall bottom shell is low, in the product demolding and pushing-out process, if the stress on the side face is uneven, the thin-wall bottom shell product is prone to deforming, and therefore the processing precision and the yield of the thin-wall bottom shell product are affected.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the thin-wall bottom shell injection mold is simple in structure, capable of effectively improving product machining precision and yield and capable of synchronously pulling cores and demolding and laterally pulling cores in a multi-directional linkage mode.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a thin-wall bottom shell injection mold capable of performing multi-directional linkage and side core pulling comprises a front mold and a rear mold, wherein the front mold is arranged at the top of the rear mold, a product cavity for injection molding of the thin-wall bottom shell is formed between the bottom of the front mold and the top of the rear mold, and a group of side core pulling mechanisms are respectively arranged on the rear molds on four side surfaces of the product cavity;
the side core pulling mechanism comprises two cylinders, a push block, two traveling seats, two inclined guide columns and a traveling block, the traveling block is arranged at the side end of a product cavity, the side end, far away from the product cavity, of the traveling block is connected with the push block, the wall surfaces of the left side and the right side of the push block are respectively abutted to the traveling seats, inclined holes are respectively formed in the traveling seats and the push block, the inclined guide columns are arranged in the inclined holes of the traveling seats and the push block, and the side end, far away from the traveling block, of the push block is connected with the cylinders.
By adopting the technical scheme, in the thin-wall bottom shell injection mold capable of realizing multidirectional linkage and side core pulling, the side core pulling mechanism further comprises two push rod guide blocks, and the piston end of each cylinder penetrates through the push rod guide blocks and is connected with the push block.
By adopting the technical scheme, in the thin-wall bottom shell injection mold capable of realizing multidirectional linkage and side core pulling, the inclination angle of the inclined hole is 50-65 degrees.
By adopting the technical scheme, the injection mold of the thin-wall bottom shell capable of realizing multidirectional linkage and side core pulling further comprises a front mold fixing plate and a rear mold fixing plate, wherein the front mold is arranged at the bottom of the front mold fixing plate, the rear mold is arranged at the top of the rear mold fixing plate, and a pouring opening convenient for pouring a pouring nozzle to pour raw materials is arranged in the middle of the front mold fixing plate.
By adopting the technical scheme, in the thin-wall bottom shell injection mold capable of multi-directionally linking and side core pulling, the side walls of the front mold and the rear mold are respectively provided with the lug plates convenient to hoist.
By adopting the technical scheme, in the thin-wall bottom shell injection mold capable of realizing multi-directional linkage and side core pulling, a wear-resistant pad is arranged between the wall surface of the slide block and the contact surface of the push block.
By adopting the technical scheme, the thin-wall bottom shell can be formed in the product cavity through injection molding, and the side core-pulling mechanisms are arranged on the four side surfaces of the product cavity, so that the four-surface synchronous demolding can be realized by the side core-pulling mechanisms under the action of the pulling force of the air cylinder after the thin-wall bottom shell is solidified and formed, and the phenomenon that the thin-wall bottom shell with low structural strength is deformed under the condition of uneven stress is prevented, and the processing precision and quality of the thin-wall bottom shell are influenced; the wear-resistant pad is arranged between the wall surface of the slide block and the contact surface of the push block, so that the service life of the side core-pulling mechanism can be prolonged, and the abrasion of the slide block or the wall surface of the push block in the frequent demoulding and core-pulling process of the injection mould can be prevented, so that the processing precision of the injection mould is influenced; the whole structure is simple, the processing precision and the yield of products are effectively improved, and the method can be popularized and used.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the product cavity configuration of the present invention;
FIG. 3 is a schematic view of a layout structure of the side core-pulling mechanism of the present invention;
FIG. 4 is a schematic structural view of a side core-pulling mechanism of the present invention;
FIG. 5 is a schematic cross-sectional structure view of the side core-pulling mechanism of the present invention;
FIG. 6 is a schematic view of a thin-walled bottom shell product according to the present invention.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 6, the embodiment provides a thin-wall bottom case injection mold capable of performing multi-directional linkage and side core pulling, which includes a front mold 1 and a rear mold 2, where the front mold 1 is disposed on the top of the rear mold 2, a product cavity 10 for injection molding of the thin-wall bottom case is formed between the bottom of the front mold 1 and the top of the rear mold 2, and a group of side core pulling mechanisms 3 are respectively disposed on the rear molds 2 on four sides of the product cavity 10. In this embodiment, the thin-wall bottom shell can be formed by injection molding in the product cavity 10, and the side core-pulling mechanisms 3 are arranged on four sides of the product cavity 10, so that the four-side synchronous demolding can be performed on the thin-wall bottom shell after the thin-wall bottom shell is subjected to curing molding by the side core-pulling mechanisms 3, and the deformation of the thin-wall bottom shell with low structural strength under the condition of uneven stress is prevented, and the processing precision and quality of the thin-wall bottom shell are affected.
As shown in fig. 3 to 5, the side core pulling mechanism 3 includes two cylinders, a pushing block 31, two traveling seats 32, two inclined guide pillars 33 and a traveling block 34, the traveling block 34 is disposed at a side end of the product cavity 10, a side end of the traveling block 34 away from the product cavity 10 is connected to the pushing block 31, wall surfaces of left and right sides of the pushing block 31 are respectively abutted to the traveling seats 32, the traveling seats 32 and the pushing block 31 are respectively provided with inclined holes 300, the inclined guide pillars 33 are disposed in the inclined holes 300 of the traveling seats 32 and the pushing block 31, and a side end of the pushing block 31 away from the traveling block 34 is connected to the cylinders. In this embodiment, when the side core-pulling mechanism 3 needs to pull out a product in the product cavity 10 to complete demolding, the cylinder may drive the pushing block 31 to move outward, so as to pull out the slide block 34 that determines the shape of the side surface of the thin-walled bottom shell, and in the pulling-out process, the slide block 32 moves upward together under the action of the inclined guide post 33, so as to complete demolding in cooperation with the upward movement of the front mold 1.
As shown in fig. 4 and 5, the side core pulling mechanism 3 further includes two push rod guide blocks 35, and a piston end of each cylinder passes through the push rod guide block 35 and is connected to the push block 31.
Further, the inclined angle of the inclined hole 300 is 50-65 degrees. In this embodiment, the inclined hole 300 has an inclination angle of 50 °.
As shown in fig. 1, further, the injection mold further comprises a front mold fixing plate 4 and a rear mold fixing plate 5, wherein the front mold 1 is arranged at the bottom of the front mold fixing plate 4, the rear mold 2 is arranged at the top of the rear mold fixing plate 5, and a pouring opening 40 for facilitating pouring of the raw material by the pouring nozzle is arranged in the middle of the front mold fixing plate 4.
As shown in fig. 1, the side walls of the front mold 1 and the rear mold 2 are respectively provided with ear plates 6 for facilitating lifting.
As shown in fig. 4 and 5, a wear pad 36 is further disposed between the wall surface of the slide block 34 and the contact surface of the push block 31. In this embodiment, the wear pad 36 is disposed between the wall surface of the traveling block 34 and the contact surface of the push block 31, so that the service life of the side core pulling mechanism 3 can be prolonged, and the wall surface of the traveling block 34 or the push block 31 is prevented from being worn in the frequent demolding and core pulling process of the injection mold, thereby affecting the processing precision of the injection mold.
By adopting the technical scheme, the thin-wall bottom shell can be formed in the product cavity through injection molding, and the side core-pulling mechanisms are arranged on the four side surfaces of the product cavity, so that the four-surface synchronous demolding can be realized by the side core-pulling mechanisms under the action of the pulling force of the air cylinder after the thin-wall bottom shell is solidified and formed, and the phenomenon that the thin-wall bottom shell with low structural strength is deformed under the condition of uneven stress is prevented, and the processing precision and quality of the thin-wall bottom shell are influenced; the wear-resistant pad is arranged between the wall surface of the slide block and the contact surface of the push block, so that the service life of the side core-pulling mechanism can be prolonged, and the abrasion of the slide block or the wall surface of the push block in the frequent demoulding and core-pulling process of the injection mould can be prevented, so that the processing precision of the injection mould is influenced; the whole structure is simple, the processing precision and the yield of products are effectively improved, and the method can be popularized and used.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a but thin wall drain pan injection mold of multidirectional linkage side core pulling which characterized in that: the injection molding device comprises a front die and a rear die, wherein the front die is arranged at the top of the rear die, a product cavity for injection molding of the thin-wall bottom shell is formed between the bottom of the front die and the top of the rear die, and a group of side core-pulling mechanisms is respectively arranged on the rear die on four sides of the product cavity;
the side core pulling mechanism comprises two cylinders, a push block, two traveling seats, two inclined guide columns and a traveling block, the traveling block is arranged at the side end of a product cavity, the side end, far away from the product cavity, of the traveling block is connected with the push block, the wall surfaces of the left side and the right side of the push block are respectively abutted to the traveling seats, inclined holes are respectively formed in the traveling seats and the push block, the inclined guide columns are arranged in the inclined holes of the traveling seats and the push block, and the side end, far away from the traveling block, of the push block is connected with the cylinders.
2. The injection mold for the thin-wall bottom shell with the capability of multi-directional linkage and side core pulling according to claim 1, is characterized in that: the side core-pulling mechanism further comprises two push rod guide blocks, and the piston end of each cylinder penetrates through the push rod guide blocks and is connected with the push block.
3. The injection mold for the thin-wall bottom shell with the capability of multi-directional linkage and side core pulling according to claim 1, is characterized in that: the inclination angle of inclined hole is 50 ~ 65.
4. The injection mold for the thin-wall bottom shell with the capability of multi-directional linkage and side core pulling according to claim 1, is characterized in that: the front mould fixing plate is arranged at the bottom of the front mould fixing plate, the rear mould is arranged at the top of the rear mould fixing plate, and a pouring opening convenient for pouring the raw materials by the pouring nozzle is arranged in the middle of the front mould fixing plate.
5. The injection mold for the thin-wall bottom shell with the capability of multi-directional linkage and side core pulling according to claim 1, is characterized in that: and the side walls of the front mould and the rear mould are respectively provided with an ear plate convenient for hoisting.
6. The injection mold for the thin-wall bottom shell with the capability of multi-directional linkage and side core pulling according to claim 1, is characterized in that: and a wear-resistant pad is arranged between the wall surface of the slide block and the contact surface of the push block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122109368.XU CN215825862U (en) | 2021-09-02 | 2021-09-02 | Thin-wall bottom shell injection mold capable of multi-directionally linking and laterally pulling core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122109368.XU CN215825862U (en) | 2021-09-02 | 2021-09-02 | Thin-wall bottom shell injection mold capable of multi-directionally linking and laterally pulling core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215825862U true CN215825862U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122109368.XU Active CN215825862U (en) | 2021-09-02 | 2021-09-02 | Thin-wall bottom shell injection mold capable of multi-directionally linking and laterally pulling core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215825862U (en) |
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2021
- 2021-09-02 CN CN202122109368.XU patent/CN215825862U/en active Active
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